This information should be provided to you by your programme, so make sure you have checked your module/programme handbook first. If it is still not clear which style you should be using the list below is provided for guidance but it is still advisable to check with your tutors before writing your first assignment.
University of Roehampton Harvard Style - Business, Dance, Drama, Theatre and Performance, Education, Life Sciences, Media Culture and Languages, Social Sciences and Psychology (check your handbook)
APA - Psychology (check module handbook)
MLA - English Literature and Creative Writing
OSCOLA - Law
This book covers various referencing styles. Please note - the version of Harvard used in this book is different from Roehampton Harvard - please see the official university guide on the Roehampton Harvard Referencing page.